Coding & Development
Best AI API Tools in 2026: Free & Paid Picks
AI API helps developers connect models, generation, analysis, and automation into real products. Use AI API to compare tools for pricing, endpoints, latency, model coverage, documentation, and integration experience.
546Total AI API Tools67Most Relevant AI API Tools130Free AI API ToolsAI API Tools updated Jun 18, 2026
Top tools
Top 10 AI API Tools
Explore top AI API Tools ranked by category fit, free access, AI-powered features, traffic, and pricing context.
Paid
Cl
Claude
An AI assistant for natural language tasks, coding, and workflow automation.
Improved performance and longer response generation with Claude 2Natural language processing for versatile personal and professional tasksMulti-platform accessibility via web browser, API, and desktop application
Free plan
De
Deepseek
Advanced open-source AI models and developer API platform.
Flagship large language models (DeepSeek-V3 and reasoning-focused R1)Free AI assistant features for search, writing, reading, and translationOpen-source coding and mathematical reasoning capabilitiesRobust DeepSeek API platform with context caching and off-peak discount pricing
Free plan
Op
OpenAI
Official subscription and pricing guide for ChatGPT plans and features.
Access to diverse reasoning models including GPT-4o, OpenAI o3, and OpenAI o4-miniAdvanced voice mode with support for video and screensharingInteractive tables, charts, and file upload capabilities for data analysisWorkspace customization with custom GPTs, projects, and collaborative tasks+1
Paid
Go
Google AI Studio
A fast prototyping environment to build applications with Gemini AI models.
Access to the latest Gemini multimodal generative AI models from Google DeepMindSupport for processing text, code, images, audio, and video inputsBreakthrough 2M token context window, context caching, and search grounding featuresGoogle AI Studio quickstart with prompt ideas and structured outputs
Free plans
Best Free AI API Tools
Start with free AI api tools that cover practical website workflows, core features, and AI-powered output quality.
| Tool | Plan status | Pricing | Traffic | Feature preview | Website |
|---|---|---|---|---|---|
| Deepseek | Free option | Free web access, API starts from $0.035/1M tokens | 430M/mo | Flagship large language models (DeepSeek-V3 and reasoning-focused R1), Free AI assistant features for search, writing, reading, and translation | Visit |
| OpenAI | Free option | Free, Plus from $20/mo, Pro from $200/mo, Team from $25/user/mo | 203M/mo | Access to diverse reasoning models including GPT-4o, OpenAI o3, and OpenAI o4-mini, Advanced voice mode with support for video and screensharing | Visit |
| DeepL | Free option | Free, Starter from $8.74/mo | 116M/mo | Instant text translation for 33 languages, Whole-file document translation (.pdf, .docx, .pptx) preserving original formatting | Visit |
| Claude 3 | Free option | Free, Pro from $17/mo | 22M/mo | Advanced reasoning for complex cognitive tasks, Vision analysis for transcribing and analyzing static images, graphs, and notes | Visit |
| Photoroom | Free option | Free, Pro from SGD 89.98/year | 19M/mo | Precise automatic background removal, Magic Retouch to erase unwanted objects with a swipe | Visit |
| OpenRouter | Free option | Free models available, paid models billed pay-as-you-go | 17M/mo | Unified API endpoint compatible with OpenAI SDKs out of the box, Access to over 300+ models from 50+ diverse providers | Visit |
| Semantic Scholar | Free option | Free | 7.9M/mo | AI-driven semantic search across 226+ million scientific papers, Semantic Reader (Beta) for augmented, highly accessible, and contextual scientific reading | Visit |
| Luma AI | Free option | Free, Lite from $9.99/mo, Plus from $29.99/mo | 4.9M/mo | Photorealistic 3D capture using Neural Radiance Fields (NeRFs) and volumetric photogrammetry, Luma Dream Machine for high-quality text-to-video and image-to-video generation | Visit |
| Groq | Free option | Free, on-demand from $0.05/M tokens | 3.6M/mo | LPU™ (Language Processing Unit) engine designed for fast text and language token generation, OpenAI API specification compatibility requiring only minor code adjustments | Visit |
| Removal.AI | Free option | Free, Monthly Subscription from $5.99/mo | 1.8M/mo | Fully automated background removal in 3 seconds or less, Neat, clear, and smooth cutout edges capable of handling hair and furry textures | Visit |
Traffic
Most visited AI API Tools
Use traffic, free-plan status, and starting price to compare the most visited tools in this category.
| Tool | Traffic | Free plan | Starting price | Website |
|---|---|---|---|---|
| Claude | 953M/mo | No | Free to use | Visit |
| Deepseek | 430M/mo | Yes | Free web access, API starts from $0.035/1M tokens | Visit |
| OpenAI | 203M/mo | Yes | Free, Plus from $20/mo, Pro from $200/mo, Team from $25/user/mo | Visit |
| Google AI Studio | 123M/mo | No | Free, Pay-as-you-go from $0.0375/1M tokens | Visit |
| DeepL | 116M/mo | Yes | Free, Starter from $8.74/mo | Visit |
| Magnific (formerly Freepik) | 105M/mo | No | Contact for Pricing | Visit |
| ElevenLabs | 35M/mo | No | Free, Starter from $5/mo | Visit |
| Tripo AI | 28M/mo | No | Free, Professional from $15.90/mo | Visit |
Browse all tools
Top AI API Tools Comparison
Browse all AI API Tools in this category with search, free-plan filtering, sorting, website signals, pricing, and AI-powered feature context.
| Tool | Free | Pricing | Traffic | Features | Website |
|---|---|---|---|---|---|
| PionexGPT | Yes | Free (standard trading transaction fees apply) | 1M/mo | In-built automated crypto trading bots for Spot and Futures markets, PionexGPT integration for AI-driven custom trading strategy generation | Visit |
| HitPaw Photo AI | No | Starts at $22.39/mo, with annual options from $90.39/yr. | 991K/mo | AI image upscaling up to 4K, 8K, and 16K resolution, 9 specialized AI models including General, Face, Denoise, and Colorize models | Visit |
| Thomson Reuters | No | Contact for Pricing | 14M/mo | CoCounsel Generative AI assistant for professional-grade document drafting and research automation, Westlaw Precision and Westlaw Edge for advanced legal research with trusted editorial enhancements | Visit |
| DeepAI | No | Free, PRO from $4.99/mo | 9.2M/mo | AI Image Generator for creating visuals from text prompts, AI Chat featuring standard conversational assistants and unique character personalities | Visit |
| Clipdrop | No | Free, Pro from 22 SGD/mo | 803K/mo | Cleanup tool for removing objects, people, and defects automatically, Remove background tool with high-accuracy subject extraction | Visit |
| Murf AI | No | Free, Creator from $19/mo | 720K/mo | Text to speech generation with over 200 voices in 20+ languages, Advanced voice customization controls including pitch, speed, pause, and word-level emphasis | Visit |
| chatglm.cn | No | Free web access, API discounts available for verified academic users | 4.4M/mo | Deep Thinking Mode: An advanced reasoning feature that analyzes complex problems step-by-step., Z1 Reasoning Model: Upgraded model specializing in advanced logic and problem-solving. | Visit |
| Klangio | No | Free for the first 20 seconds, Pro subscriptions available | 849K/mo | Instrument-specific AI models tailored for piano, guitar, drums, vocals, and pop melodies, Multiple input methods supporting audio file uploads, live recordings, and YouTube links | Visit |
| Callbell | No | Free Trial, Multiagent Chat from $15/user/month | 748K/mo | Multi-agent shared inbox for WhatsApp, Messenger, Instagram, and Telegram, Auto-routing of chats to appropriate team departments | Visit |
| Deepgram AI Voice Generator | No | Free trial available | 740K/mo | Human-like AI voice generation with natural pronunciation, Low-latency text to speech optimized for real-time applications | Visit |
| 1min.AI | No | Free, Pro from $6.50/mo | 662K/mo | Access to multiple flagship AI models from OpenAI, Anthropic, Google, and more, Consolidated workspace for text, writing, image, audio, and video tasks | Visit |
| Mathpix | No | Free, Pro from $4.99/mo | 480K/mo | Image and PDF conversion to LaTeX, Markdown, DOCX, and Excel, Handwriting recognition for mathematical formulas and scientific text | Visit |
| Originality | No | Pay as you go from $30, Pro from $12.95/mo | 2.4M/mo | Patented AI content detector with 99%+ accuracy on modern LLMs like GPT-4o and Claude 3, Advanced paraphrase detection capable of identifying text rewritten by tools like Quillbot | Visit |
| RunPod | No | GPU instances start from $0.16/hr; Serverless flex workers from $0.00011/s | 2.3M/mo | On-demand GPU cloud instances (Secure and Community Cloud options), Serverless GPU computing with sub-250ms cold starts | Visit |
| AnythingLLM | Yes | Free | 682K/mo | Chat with any document type including PDFs, Word documents, CSVs, and codebases, Built-in LLM provider for zero-setup, fully offline and local execution | Visit |
| Nebius | No | On-demand GPUs start from $1.55/hr, with commitment discounts reducing rates down to $0.80/hr. | 678K/mo | High-performance NVIDIA GPU accelerators including H200, H100, and L40S, Pre-order availability for NVIDIA Blackwell platforms (GB200 NVL72 and HGX B200) | Visit |
| MindStudio | No | Free tier available, contact for premium and enterprise pricing details | 1.8M/mo | No-code visual agent builder with support for code extensibility (JavaScript/Python), Instant access to over 90 LLMs and image models from OpenAI, Anthropic, Google, and Meta | Visit |
| TopMediai® | Yes | Free, AI Music from $4.99/week, SVIP tiers from $19.99/mo | 1.7M/mo | AI Text to Speech with 3200+ voices and 70+ languages, Custom AI Voice Cloning for unique voiceovers | Visit |
| lenso.ai | No | Free, Starter from $15.99/mo | 1.6M/mo | AI-trained search categorization including Places, People, Duplicates, Similar, and Related results, Precise facial recognition search to discover where matching faces appear on the web | Visit |
| Typecast AI | No | Free, Basic from $8.99/mo | 1.6M/mo | Emotion-Driven AI Voice Actors with over 570+ unique voices, Advanced Voice Cloning tool requiring minimal audio recording | Visit |
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